By Peter J. Blau
"Should have wide charm in lots of sorts of undefined, starting from car to computers―basically any association keen on items having relocating parts!"
―David A. Rigney, fabrics technology and Engineering division, Ohio kingdom college, Columbus, USA
In-Depth Coverage of Frictional Concepts
Friction impacts such a lot of facets of everyday life that almost all take it without any consideration. Arguably, mankind’s try and keep an eye on friction dates again to the discovery of the wheel. Friction technology and expertise: From recommendations to purposes, moment version presents a extensive, multidisciplinary evaluate of the continuously relocating box of friction, spanning the heritage of friction reports to the evolution of size tools. It studies the gamut of friction try tools, starting from basic susceptible plans to classy laboratory tribometers.
The ebook starts off with introductory ideas approximately friction and steadily delves into the extra sophisticated basics of floor touch, use of assorted lubricants, and particular purposes reminiscent of brakes, piston earrings, and computing device components.
Includes American Society of trying out and administration (ASTM) criteria
This quantity covers a number of elements of friction, with a variety of attention-grabbing and weird examples of friction-related applied sciences no longer present in different tribology books. those include:
- Friction in wintry weather sports
- Friction of contact and human skin
- Friction of footware and biomaterials
- Friction drilling of metals
- Friction of tires and street surfaces
Describing the instruments of the alternate for friction study, this variation permits engineers to buy or construct their very own units. It additionally discusses frictional habit of quite a lot of fabrics, coatings, and floor remedies, either conventional and complex, comparable to thermally oxidized titanium alloys, nanocomposites, ultra-low friction motion pictures, laser-dimpled ceramics, and carbon composites.
Even after centuries of research, friction keeps to hide its sophisticated origins, in particular in sensible engineering events during which surfaces are uncovered to advanced and altering environments. Authored by means of a box expert with greater than 30 years of experience, this one-stop source discusses all aspects of friction, from its humble beginnings to its large program for modern engineers.
Read Online or Download Friction Science and Technology: From Concepts to Applications, Second Edition (Mechanical Engineering) PDF
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Extra resources for Friction Science and Technology: From Concepts to Applications, Second Edition (Mechanical Engineering)
Experimental evaluation of friction between contacting discs for the simulation of gear contact, Tribotest, 13, pp. 13–20. 4. D. W. Dudley (1980). Gear Wear, in Wear Control Handbook, eds. W. O. Winer and M. B. Peterson, ASME, New York, NY, pp. 755–830. 5. -R. Hohn, K. Michaelis, and T. Vollmer (1966). Thermal Rating of Gear Drives: Balance Between Power Loss and Heat Dissipation, AGMA Technical paper. indd 42 8/8/2008 5:13:25 PM Friction 3 Measuring in the Laboratory In principle, determining friction coefficients seems straightforward: one simply measures the normal force or weight of an object and the force resisting relative tangential motion between it and a counterface.
32. H. Hertz (1881). On the contact of elastic solids, J. Reine Angew. , 92, 156–171. 33. H. Hertz (1882). On the contact of rigid elastic solids and on hardness, Verh. Ver. Berford. Gew Fleiss, November. 34. J. Goodman (1886). Recent researches on friction, Proc. Inst. Civ. , ixxxv, Session 1885–1886, Part III, pp. 1–19. indd 15 8/23/2008 1:01:45 PM 16 Friction Science and Technology: From Concepts to Applications 35. E. Rabinowicz (1971). , 14, 198–205. 36. R. Stribeck (1902). Die Wesentlichen Eigneschaften der Gleit- und Rollenlager, Z.
MOTORCYCLE ACCIDENT A motorcyclist lost control of his vehicle, resulting in a skid 46 ft long on the highway surface. How fast was the motorcycle traveling when it fell and began to slide to a stop? 8, and that all the kinetic energy of the man on his motorcycle at the time he lost control was entirely dissipated by friction over the length of the skid. 26) Note that the masses of the vehicle and the rider are not required for this calculation. Vehicle accident reconstruction is an important area of litigation in the United States, and commercial software has been developed specifically for this application.